Home / 948,141.96-1,308,791.72-621,476.03

Finding the Fourth Proportional to 948,141.96, 1,308,791.72 and 621,476.03

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Solution

The fourth proportional to 948,141.96, 1,308,791.72 and 621,476.03 is: 857,870.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,141.96 : 1,308,791.72 = 621,476.03 : x
  2. Step 2: Convert to fraction form
    948,141.96/1,308,791.72 = 621,476.03/x
  3. Step 3: Cross multiply
    948,141.96x = 1,308,791.72 × 621,476.03
  4. Step 4: Simplify right side
    948,141.96x = 813,382,672,591.13
  5. Step 5: Solve for x
    x = 813,382,672,591.13/948,141.96
  6. Step 6: Final answer
    x = 857,870.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.